<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .aaa {
            padding: 50px;
        }
        
        .s {
            /* border: 1px solid #000; */
            /* background: blue; */
            color: #000;
            width: 50px;
            height: 60px;
            float: left;
            text-align: center;
            line-height: 20px;
        }
        
        .s1,
        .s0 {
            line-height: 30px;
        }
        
        .s0 {
            border: 1px solid #000
        }
    </style>
</head>

<body>
    <div class="aaa">
        <script>
            var num = 0
            for (let i = 0; i < 10; i++) {
                document.write('<div class="s"><div class="s0">false</div><div class="s1">' + (i) + '</div></div>')
            }
        </script>
    </div>
</body>

</html>